80% (1978)

0% (1967)

37% (1975)

50% (1972)

0% (1996)

75% (1956)

80% (1973)

70% (1986)

57% (2000)

60% (1979)

0% (1986)

50% (1962)

0% (1995)

80% (1970)

0% (2003)

80% (1975)

80% (1964)

57% (1973)

0% (1980)

80% (1966)